Compare 13721 vs 13997
| Property | 13721 | 13997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 137211 | 139971 |
| Prime factorization | 13721 | 13997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13721 | 1, 13997 |
| Number of properties | 6 | 5 |
| Additive primes | 791st | |
| Chen primes | 823rd | 839th |
| Harmonic primes | 583rd | |
| Primes | 1623rd | 1651st |
| Pythagorean primes | 805th | 818th |
| Twin primes (1st member) | 255th | 261st |
| Ulam primes | 119th | |
| Roman numberals | ||
| Base 2 | 110101100110012 | 110110101011012 |
| Base 3 | 2002110123 | 2010121023 |
| Base 4 | 31121214 | 31222314 |
| Base 5 | 4143415 | 4214425 |
| Base 6 | 1433056 | 1444456 |
| Base 7 | 550017 | 555447 |
| Base 8 | 326318 | 332558 |
| Base 9 | 207359 | 211729 |
| Base 10 | 1372110 | 1399710 |
| Base 11 | a34411 | a57511 |
| Base 12 | 7b3512 | 812512 |
| Base 13 | 632613 | 64a913 |
| Base 14 | 500114 | 515b14 |
| Base 15 | 40eb15 | 423215 |
| Base 16 | 359916 | 36ad16 |